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using System.Text;
using System.Threading.Channels;
using ArcaneLibs.Extensions;
using LibMatrix.EventTypes.Spec;
using LibMatrix.EventTypes.Spec.State;
using LibMatrix.Helpers;
using LibMatrix.Homeservers;
using LibMatrix.Interfaces;
using LibMatrix.RoomTypes;
using LibMatrix.Services;
using LibMatrix.Tests;
using LibMatrix.Utilities.Bot;
using LibMatrix.Utilities.Bot.Interfaces;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
namespace PluralContactBotPoC.Bot;
public class DataFetcher(AuthenticatedHomeserverGeneric hs, ILogger<DataFetcher> logger, LibMatrixBotConfiguration botConfiguration,
// DataFetcherConfiguration configuration,
HomeserverResolverService hsResolver) : IHostedService {
private Task _listenerTask;
private GenericRoom? _logRoom;
/// <summary>Triggered when the application host is ready to start the service.</summary>
/// <param name="cancellationToken">Indicates that the start process has been aborted.</param>
public async Task StartAsync(CancellationToken cancellationToken) {
_listenerTask = Run(cancellationToken);
logger.LogInformation("Bot started!");
}
private async Task Run(CancellationToken cancellationToken) {
Directory.GetFiles("bot_data/cache").ToList().ForEach(File.Delete);
_logRoom = hs.GetRoom(botConfiguration.LogRoom);
await _logRoom.SendMessageEventAsync(new RoomMessageEventContent(body: "Test data collector started!"));
await _logRoom.SendMessageEventAsync(new RoomMessageEventContent(body: "Fetching rooms..."));
var rooms = await hs.GetJoinedRooms();
await _logRoom.SendMessageEventAsync(new RoomMessageEventContent(body: $"Fetched {rooms.Count} rooms!"));
await _logRoom.SendMessageEventAsync(new RoomMessageEventContent(body: "Fetching room data..."));
Config cfg = new Config();
var roomAliasTasks = rooms.Select(room => room.GetCanonicalAliasAsync()).ToAsyncEnumerable();
List<Task<(string, string)>> aliasResolutionTasks = new();
await foreach (var @event in roomAliasTasks) {
if (@event?.Alias != null) {
await _logRoom.SendMessageEventAsync(new RoomMessageEventContent(body: $"Fetched room alias {(@event).Alias}!"));
aliasResolutionTasks.Add(Task<(string, string)>.Run(async () => {
var alias = await hs.ResolveRoomAliasAsync(@event.Alias);
return (@event.Alias, @alias.RoomId);
}, cancellationToken));
}
}
var aliasResolutionTaskEnumerator = aliasResolutionTasks.ToAsyncEnumerable();
await foreach (var result in aliasResolutionTaskEnumerator) {
await _logRoom.SendMessageEventAsync(new RoomMessageEventContent(body: $"Resolved room alias {result.Item1} to {result.Item2}!"));
}
}
/// <summary>Triggered when the application host is performing a graceful shutdown.</summary>
/// <param name="cancellationToken">Indicates that the shutdown process should no longer be graceful.</param>
public async Task StopAsync(CancellationToken cancellationToken) {
logger.LogInformation("Shutting down bot!");
}
}
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